Check the listing for details. Lovibond Photometer Tablets - DPD1 (Free Chlorine) Box Of 250. Condition: Brand New. Listed at 22.63 USD. Genuine Lovibond Pool Testing Tablets / Reagents for use in Lovibond Photometers and Lovibond Scuba II Pool Testers. DPD1 (Free Chlorine) For more than thirty years, Tintometer in Dortmund has been manufacturing reagents for water testing and marketing these reagents around the world under the brand name Lovibond. Lovibond test tablets are manufactured in Germany under tightly controlled conditions on the latest machinery. Maintaining the highest quality standards permits Tintometer GmbH to guarantee reagent tablets for a minimum of 5 years, and some for as long as 10 years. Lovibond can make this promise because each tablet is hermetically sealed within an individual aluminium foil pocket, protecting against challenging environmental conditions. This packaging keeps each tablet in perfect condition, right up until the time it is needed by the user. Note: Sale price is inclusive of GST. Tax Invoice will be sent with item.